2018 MG MG3 1.5 VTi-TECH 3FORM Sport

Overview

• Make: MG
• Model: MG3
• Trim: 3FORM Sport
• Version: 1.5 VTi Tech 3Form Sport Manual FWD Euro 6 (s/s) 5dr (104 bhp)
• Year: 2018
• Mileage: 43,948 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 104 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 MG MG3 3Form Sport is 43,948 miles. Its asking price of £4,490 is £87 below the AskCar estimate of £4,577. The AskCar estimate uses 1,733 UK dealer adverts for the MG MG3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 22 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by 4Kay Motors in Heywood. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £87 (1%) under the AskCar estimate of £4,577.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,733 priced MG MG3 adverts across different ages and specifications, as of 2 November 2026.

A 2018 MG MG3 with the 1.5 petrol engine is typically advertised at £6,000: the median of the 38 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 MG MG3 has been on sale for at least 22 days.

Price history

AskCar first saw this advert on 11 October 2026 at £4,490. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 14 October 2027.

It failed its MOT on 9 September 2026 (supplementary restraint system warning lamp indicates a fault; offside windscreen wiper does not clear the windscreen effectively; nearside rear coil spring fractured or broken) and passed 7 days later, on 16 September 2026.

Advisories at the latest test: offside front tyre slightly damaged/cracking or perishing; nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; and 2 more.

Mileage at that test: 43,850 miles, which matches the advertised 43,948 miles.

Advertised mileage is about 1,300 miles lower than the median mileage of a 2018 MG MG3 on AskCar.

Similar cars

9 other 2018 MG MG3 3FORM Sport 1.5 petrol manual hatchbacks are for sale at UK dealers, from £3,250 to £5,500, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, white. Mileage: 45,841 miles. Price: £4,750, £260 more than this car. Dealer: Nigel Geoffrey in Chesterfield. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-87e0aa926089
• 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, white. Mileage: 42,000 miles. Price: £5,450, £960 more than this car. Dealer: PL Motors in Newtownabbey. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-799239128519
• 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback. Mileage: 47,038 miles. Price: £4,299, £191 less than this car. Dealer: Mufassa Motors in Failsworth. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-66b2bd7d3a5c